Allows multiple issues or PRs to be edited in parallel, and querying for shared fields once to reduce network requests.
Co-authored-by: Sam Coe <samcoe@users.noreply.github.com>
Update labels using the `addLabelsToLabelable` and
`removeLabelsFromLabelable` mutations instead of via the `updateIssue`
mutation that replaces the entire set of labels. This prevents the edit
operation from clobbering any unseen changes to the list of labels.
Co-authored-by: Mislav Marohnić <mislav@github.com>